const express=require ("express");
const bodyParser=require("body-parser");
const indexRouter=require('./route/index.js');
const teacherRouter=require('./route/teacher.js');
const userRouter=require('./route/user.js');
const typeRouter=require('./route/type.js');
const courseRouter=require('./route/course.js');
const cartRouter=require('./route/cart.js');
const favoriteRouter=require('./route/favorite.js');
const orderRouter=require('./route/order.js');

var app=express();
app.listen(5050);
app.all("*",function(req,res,next){
    //设置允许跨域的域名，*代表允许任意域名跨域
    res.header("Access-Control-Allow-Origin","*");
    //允许的header类型
    res.header("Access-Control-Allow-Headers","content-type");
    //跨域允许的请求方式 
    res.header("Access-Control-Allow-Methods","DELETE,PUT,POST,GET,OPTIONS");
    if (req.method.toLowerCase() == 'options')
        res.send(200);  //让options尝试请求快速结束
    else next();
})

app.use(bodyParser.urlencoded({extended:false}))
app.use('/',indexRouter);
app.use('/teacher',teacherRouter);
app.use('/user',userRouter);
app.use('/type',typeRouter);
app.use('/course',courseRouter);
app.use('/cart',cartRouter);
app.use('/favorite',favoriteRouter);
app.use('/order',orderRouter);
console.log("server is listening");
